Welcome to the 2025 edition of Ranking the Rockies, where we look back at each player to determine playing time for the Rockies in 2025. The purpose of this list is to provide a snapshot of the player in context. The “Ranking” is an organizational principle derived from WAR (rWAR) from Baseball Reference. It’s not something the staff debated. We’ll start with the player with the lowest rWAR and end with the player with the highest.
No. 51, Luis Peralta (-0.9 rWAR)
This certainly wasn’t the season Luis Peralta had hoped for.
After a promising 2024 that saw the lefty reliever throw 12.1 innings with a 28.6K% and a final ERA of 0.73, both Peralta and the Rockies were looking to build on that in 2025. After all, he had given up just one run as a rookie.
However, if there’s anything true in life, it’s that bullpens are notoriously volatile and Peralta couldn’t avoid a second-year slump.
By comparison, Peralta had an IP of 19.0 this year with just 5.08 K% and a horrible ERA of 9.47.
He spent much of the season jockeying between Denver and Triple-A Albuquerque. Peralta started 2025 with a 7.56 ERA over nine appearances before being sent down.
His numbers did not improve with the Isotopes, as he earned a 9.09 ERA over 34 appearances and struggled to make adjustments.
Peralta returned to the Rockies in mid-August and things got worse. In his first appearance, he gave up three earned runs and was unable to record a single out.
He then settled down a bit and played five goalless games before his struggles returned. He then allowed nine earned runs on eight hits, including two home runs. Additionally, he failed to get a K while walking five batters.
Peralta was then placed on the injured list due to hip information before making a brief return stint on September 24.
The last week was not promising. In one appearance, he faced six batters in one inning. He walked two, struckout one and allowed a single without scoring.
Peralta understands that such peaks and valleys are just part of baseball. As he said in late August, baseball is a challenging sport.
“Baseball is a sport where you want to have a lot of success,” he said through interpreter Edwin Perez, “but it won’t always work out that way. Baseball is a sport where you have to go through your low points. And for me, the start of the season didn’t start as well as I wanted.”
According to Peralta, the problems seemed to stem from his mechanics.
“I don’t think my mechanics were where they needed to be,” he said. “I think, especially when it came to ball control, I wasn’t able to come in as well as I wanted to.”
For Peralta it is important to score a first ball.
“I think when I throw the first pitch, I’m going on offense [zone]When I face these hitters, I get better results. And I think that’s showing up here in the big leagues, so I just keep getting that first pitch strike and keep making those adjustments, and it seems to be working.
There were also some over-rotation issues.
“I turned too much when I threw the ball and lifted my leg. I think I turned too much toward first base,” Peralta said.
He was tipped off to the problem from a video his father sent him, which encouraged him not to rotate too much.
“Luckily it’s the adjustment that worked for me,” he said.
Interim manager Warren Schaeffer said of the reliever: “I think he had unnecessary confidence issues early in the season because he’s a very good pitcher.”
As for Peralta, it’s all about learning.
“It was just a learning experience overall and an opportunity to grow.”
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